%0 Journal Article %A Poliakovsky, Arkady %T On a minimization problem related to lifting of BV functions with values in $ {S}^{1}$ %J Comptes Rendus. Mathématique %D 2004 %P 855-860 %V 339 %N 12 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2004.09.030/ %R 10.1016/j.crma.2004.09.030 %G en %F CRMATH_2004__339_12_855_0